#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <setjmp.h>
+#include <signal.h>
#include <sys/time.h>
#include <openssl/bn.h>
#define SPARCV9_VIS1 (1<<2)
#define SPARCV9_VIS2 (1<<3) /* reserved */
#define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
+
static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num)
int bn_mul_mont_fpu(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num);
int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num);
- if (OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1) ==
+ if ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
(SPARCV9_PREFER_FPU|SPARCV9_VIS1))
return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
else
return bn_mul_mont_int(rp,ap,bp,np,n0,num);
}
+unsigned long _sparcv9_rdtick(void);
+unsigned long _sparcv9_rdwrasi(unsigned long);
+void _sparcv9_vis1_probe(void);
+
unsigned long OPENSSL_rdtsc(void)
{
- unsigned long OPENSSL_rdtick(void);
-
if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
return gethrtime();
return 0;
#endif
else
- return OPENSSL_rdtick();
+ return _sparcv9_rdtick();
}
#if defined(__sun) && defined(__SVR4)
#include <dlfcn.h>
#include <libdevinfo.h>
+#include <sys/systeminfo.h>
typedef di_node_t (*di_init_t)(const char *,uint_t);
typedef void (*di_fini_t)(di_node_t);
/* This is expected to catch all UltraSPARC flavors prior T1 */
if (!strcmp (name,"SUNW,UltraSPARC") ||
- !strncmp(name,"SUNW,UltraSPARC-I",17))
+ !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
{
OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
- /* %tick is privileged only on UltraSPARC-I/II */
+ /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
return DI_WALK_TERMINATE;
}
- /* This is expected to catch remaining UltraSPARC T1 */
+ /* This is expected to catch remaining UltraSPARCs, such as T1 */
else if (!strncmp(name,"SUNW,UltraSPARC",15))
{
- OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+
+ return DI_WALK_TERMINATE;
}
return DI_WALK_CONTINUE;
void OPENSSL_cpuid_setup(void)
{
void *h;
- char *e;
+ char *e,si[256];
+ static int trigger=0;
+
+ if (trigger) return;
+ trigger=1;
- if (e=getenv("OPENSSL_sparcv9cap"))
+ if ((e=getenv("OPENSSL_sparcv9cap")))
{
OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
return;
}
- if (h = dlopen("libdevinfo.so.1",RTLD_LAZY)) do
+ if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
+ {
+ if (strcmp(si,"sun4v"))
+ /* FPU is preferred for all CPUs, but US-T1/2 */
+ OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
+ }
+
+ if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
+ {
+ if (strstr(si,"+vis"))
+ OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
+ if (strstr(si,"+vis2"))
+ {
+ OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
+ OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ return;
+ }
+ }
+
+ if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
{
di_init_t di_init;
di_fini_t di_fini;
if (h) dlclose(h);
}
-#elif defined(__linux)
+#else
+
+static sigjmp_buf common_jmp;
+static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
void OPENSSL_cpuid_setup(void)
{
char *e;
+ struct sigaction common_act,ill_oact,bus_oact;
+ sigset_t all_masked,oset;
+ unsigned long oasi;
+ int sig;
- if (e=getenv("OPENSSL_sparcv9cap"))
+ if ((e=getenv("OPENSSL_sparcv9cap")))
{
- OPENSSL_sparcv9cap_P=strtoul(env,NULL,0);
+ OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
return;
}
- /* Linux apparently supports UltraSPARC-I/II/III only */
+ /* For now we assume that the rest supports UltraSPARC-I* only */
OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
- }
-#else
+ sigfillset(&all_masked);
+ sigdelset(&all_masked,SIGILL);
+ sigdelset(&all_masked,SIGTRAP);
+#ifdef SIGEMT
+ sigdelset(&all_masked,SIGEMT);
+#endif
+ sigdelset(&all_masked,SIGFPE);
+ sigdelset(&all_masked,SIGBUS);
+ sigdelset(&all_masked,SIGSEGV);
+ sigprocmask(SIG_SETMASK,&all_masked,&oset);
+
+ memset(&common_act,0,sizeof(common_act));
+ common_act.sa_handler = common_handler;
+ common_act.sa_mask = all_masked;
+
+ sigaction(SIGILL,&common_act,&ill_oact);
+ sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda */
+ oasi = _sparcv9_rdwrasi(0xD2); /* ASI_FL16_P */
+ if ((sig=sigsetjmp(common_jmp,0)) == 0)
+ {
+ _sparcv9_vis1_probe();
+ OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
+ }
+ else if (sig == SIGBUS) /* T1 fails 16-bit ldda */
+ {
+ OPENSSL_sparcv9cap_P &= ~SPARCV9_PREFER_FPU;
+ }
+ else
+ {
+ OPENSSL_sparcv9cap_P &= ~SPARCV9_VIS1;
+ }
+ _sparcv9_rdwrasi(oasi);
+ sigaction(SIGBUS,&bus_oact,NULL);
+ sigaction(SIGILL,&ill_oact,NULL);
-void OPENSSL_cpuid_setup(void) {}
+ sigaction(SIGILL,&common_act,&ill_oact);
+ if (sigsetjmp(common_jmp,0) == 0)
+ {
+ _sparcv9_rdtick();
+ OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ }
+ else
+ {
+ OPENSSL_sparcv9cap_P |= SPARCV9_TICK_PRIVILEGED;
+ }
+ sigaction(SIGILL,&ill_oact,NULL);
+
+ sigprocmask(SIG_SETMASK,&oset,NULL);
+ }
#endif
projects / openssl.git / blobdiff